Home / 34,872.03-48,119.81-20,722.14

Finding the Fourth Proportional to 34,872.03, 48,119.81 and 20,722.14

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Solution

The fourth proportional to 34,872.03, 48,119.81 and 20,722.14 is: 28,594.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.03 : 48,119.81 = 20,722.14 : x
  2. Step 2: Convert to fraction form
    34,872.03/48,119.81 = 20,722.14/x
  3. Step 3: Cross multiply
    34,872.03x = 48,119.81 × 20,722.14
  4. Step 4: Simplify right side
    34,872.03x = 997,145,335.98
  5. Step 5: Solve for x
    x = 997,145,335.98/34,872.03
  6. Step 6: Final answer
    x = 28,594.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.